I've been struggling with my server (Ubuntu 14.04) running on Plesk 12.5. Recently there's been problems with the server running .php -files. For some weird reason browsers are not been able to show the php files as they should be but instead browser offers to download these files. This happened with two different machines and 3 different browsers. Since this happened to every php file in the server I concluded that the problem has to be in server and not the browser. So by searching...
Can't start apache2
Can't start apache2